How did the US entering WWI "tip the Scale"?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

Select the correct answer. in what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading? a. adaptive b. innate c. primary d. mechanical barrier

Question 1 of 10 2 points which phrase best describes an event's "historical context? " o a. the social or political setting in which it occurred b. the total number of people it affected o c. the unfair interpretations people have made about it o d. the different views people hold about it